IPv4 Header Fields (Length)

Total Len

Fragment ID

Source Address

Destination Address

Header

checksum

Frag Offset

TTL

protocol

TOS

ver

IHL

(options)

32 bits wide

Len: # bytes in this

datagram (fragment).

Min value is 20.

Max value is 65535.

Limits max. dgram

size.

Previous slide

Next slide

Back to first slide

View graphic version